The triad of gastric epithelioid leiomyosarcoma, functioning extra-adrenal paraganglioma, and pulmonary chondroma

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Abstract
The triad of gastric epithelioid leiomyosarcoma, functioning extra-adrenal paraganglioma, and pulmonary chondroma was found in two young female Mayo Clinic patients, and two of these tumors occurred in another two. Review of the world literature disclosed nine patients who probably had two or more of the three neoplasms. We are also aware of two other patients with two of the three tumors. The association of gastric epithelioid leiomyosarcoma, functioning extra-adrenal paraganglioma, and pulmonary chondroma may well constitute a syndrome because of 1 the improbability of the coincidental occurrence of this triad of tumors, 2 the multicentricity of the tumors in the organs or system affected, and 3 the development of the tumors at a young age. Because two of the components of the triad are potentially lethal, it is important that patients less than 35 years of age who have any one of the three tumors be examined periodically to search for the others.